Michal Hocko <mhocko@xxxxxxx> writes: > On Sat 09-06-12 14:30:00, Aneesh Kumar K.V wrote: >> From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> >> >> With HugeTLB pages, hugetlb cgroup is uncharged in compound page >> destructor. Since we are holding a hugepage reference, > > Who is holding that reference? I do not see anybody calling get_page in > this patch... > soft_offline_huge_page takes the reference. It does the final put_page(hpage) there. >> we can be sure that old page won't get uncharged till the last >> put_page(). >> -aneesh -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>